Petronas Twin Towers are the tallest buildings in the world for seven years after it was completed in 1997. However, it was surpassed by Taipei 101 in 2004. The 88-floor building was inspired by Islamic art and influence as Muslim is the official religion of Malaysia. Burj Khalifa now reigns as the tallest building when it was officially opened in 2010. Petronas Twin Towers remain the tallest twin buildings in the world.